Home / 5,387,018.66-7,434,243.50-2,939,787.40

Finding the Fourth Proportional to 5,387,018.66, 7,434,243.50 and 2,939,787.40

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Solution

The fourth proportional to 5,387,018.66, 7,434,243.50 and 2,939,787.40 is: 4,056,992.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,018.66 : 7,434,243.50 = 2,939,787.40 : x
  2. Step 2: Convert to fraction form
    5,387,018.66/7,434,243.50 = 2,939,787.40/x
  3. Step 3: Cross multiply
    5,387,018.66x = 7,434,243.50 × 2,939,787.40
  4. Step 4: Simplify right side
    5,387,018.66x = 21,855,095,336,547.36
  5. Step 5: Solve for x
    x = 21,855,095,336,547.36/5,387,018.66
  6. Step 6: Final answer
    x = 4,056,992.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.